本实用新型公开了一种防松动紧固装置，包括设有联结部的装置本体、和用于与所 述联结部紧固连接的外螺纹紧固件；
The utility model discloses an anti-loosening clamp device, comprising a device body of a coupling part and an external-thread fastener which is used for fixedly connecting with the coupling part;
左侧较大的紧固螺母松动，需要修理或更换。
The large securing nuts on the left side are loose and need to be repaired or replaced.
如果台面索引轴松动，拧紧固定螺栓。
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